Smartwatch and radar: what they have in common

1. Step 1. Smartwatch — has part — System on a chip (SoC). Inside is a system on a chip.
2. Step 2. System on a chip (SoC) — is part of — Router. A packet-processing processor.
3. Step 3. Router — has part — Antenna. Antennas.
4. Step 4. Antenna — is part of — Radar. An antenna emits and receives.

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